package spring5;

/**
 * @BelongsProject: spring5_demos
 * @BelongsPackage: spring5
 * @Author: LiYing
 * @CreateTime: 2021-01-05 18:41
 * @Description:
 */
public interface UserDao {

    public int add(int a,int b);
    public String update(String id);

}
